make TinyDB q= queries case-insensitive (#792)

* make TinyDB q= queries case-insensitive

* make TinyDB q= queries case-insensitive

* optimize nocase tests

* optimize nocase tests

pygeoapi/provider/tinydb_.py

@@ -29,6 +29,7 @@
 
 import logging
 import os
+import re  # noqa
 
 from tinydb import TinyDB, Query
 
@@ -156,7 +157,7 @@ class TinyDBCatalogueProvider(BaseProvider):
 
         if q is not None:
             for t in q.split():
-                QUERY.append("(Q.properties['_metadata-anytext'].search('{}'))".format(t))  # noqa
+                QUERY.append("(Q.properties['_metadata-anytext'].search('{}', flags=re.IGNORECASE))".format(t))  # noqa
 
         QUERY_STRING = '&'.join(QUERY)
         LOGGER.debug('QUERY_STRING: {}'.format(QUERY_STRING))

tests/test_tinydb_catalogue_provider.py

@@ -64,10 +64,11 @@ def test_query(config):
     assert results['features'][0]['id'] == 'e5a71860-827c-453f-990e-0e0ba0ee67bb'  # noqa
     assert results['features'][0]['properties']['type'] == 'RI_622'
 
-    results = p.query(q='crops')
-    assert len(results['features']) == 6
-    assert results['numberMatched'] == 6
-    assert results['numberReturned'] == 6
+    for term in ['crops', 'Crops', 'CROPS', 'CrOpS', 'CROps', 'CRops']:
+        results = p.query(q=term)
+        assert len(results['features']) == 6
+        assert results['numberMatched'] == 6
+        assert results['numberReturned'] == 6
 
     results = p.query(q='crops barley')
     assert len(results['features']) == 2